This ballast will power any metal halide 175W bulb. It does not over-drive the bulb, so output will be at the bulb manufacturer`s specifications. By using a constantly changing, very high frequency, the ballast will light any bulb...
Dimmable Electronic Ballast
Dual-Voltage - The only E-Ballast with the same light output on 120V or 240V
Multi-Wattage – Powers 150W, 175W, 250W and HQI Lamps
The HQI setting on the 250 Watt Ballast provides 10% MORE Ligh...
400 Watt MH Assembled Ballast - includes ballast enclosure, on/off switch and powercord
**Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this it...